KSB 202001, Инструкция по установке и эксплуатации, Страница: 31 / 36

9 Trouble-shooting
31 of 36
Calio-Therm NC
1157.881/03-EN
9 Trouble-shooting
WARNING
Improper work to remedy faults
Risk of injury!
▷ For any work performed to remedy faults, observe the relevant information
given in this operating manual and/or in the product literature provided by the
accessories manufacturer.
If problems occur that are not described in the following table, consultation with KSB
Service is required.
A Pump is running, but does not deliver
B Pump does not start up or pump running irregularly
C Pump running but not delivering water
D Noises during pump operation
Table 10: Trouble-shooting
A B C D Possible cause Remedy
2)
✘ - - - Pump not connected to power supply Check the fuses and correct connection to power
supply. If required, disconnect the pump from the
power supply and re-connect it to the power
supply (voltage reset).
- ✘ - - Impurities in the pump
- ✘ - - Blockage in the pump
- - ✘ - Shut-off elements closed Calio-Therm S NC: Open the shut-off elements.
Calio-Therm S NCV: Open the integrated shut-off
valve.
- - - ✘ Pump power output too high Select a lower speed level.
- - -
✘
System pressure too low Increase the system pressure by filling more water
into the boiler.
- - ✘ ✘ Air in the system Vent the pump (vent plug) and system.
(
ð Section 6.1.2, Page 22)
( ð Section 6.1.2, Page 22)
- - -
✘
Pump running dry Prime the pump. ( ð Section 6.1.2, Page 22)
(
ð
Section 6.1.2, Page 22)
2) Release pump set pressure before attempting to remedy faults on parts which are subjected to pressure.